Engine-Codes - Ford - P0405 2007 Ford Fusion

P0405 2007 Ford Fusion Code - Exhaust Gas Recirculation Sensor 'A' Circuit Low

- Code Popularity: 2,769 Views
- Repair Importance Level: 2/3
- Repair Difficulty Level: 2/3
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What are the Possible Causes of the DTC P0405 2007 Ford Fusion?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Faulty EGR volume control solenoid valve
  • Carbon built up on EGR valve
  • EGR volume control solenoid valve harness is open or shorted
  • EGR volume control solenoid valve circuit poor electrical connection
  • Faulty EGR temperature sensor and circuit
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How to Fix the DTC P0405 2007 Ford Fusion?

Check the 'Possible Causes' listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.

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What is the Cost to Diagnose the Code?

Labor: 1.0

The cost to diagnose the P0405 2007 Ford Fusion code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour.

When is the Code Detected?

An improper voltage signal is sent to ECM through the valve

What are Code Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)
  • Engine hesitation

What Does the P0405 2007 Ford Fusion Code Mean?

The EGR monitor checks the differential pressure feedback EGR sensor signal to the Powertrain Control Module (PCM) for low voltage. The test fails when the average voltage to the PCM drops to a voltage less than the minimum calibrated value.

P0405 2007 Ford Fusion Code - Exhaust Gas Recirculation Sensor 'A' Circuit Low

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